Which of the following materials are used for preparing
blur-black ink?
1 Gallic acid
2 Tannic acid
3 Ferrous sulphate
4 All of these
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The chemical (ethyl merceptan) added to the otherwise odorless LPG cooking gas for imparting a detectable smell to the gas is a compound of 1 Sulphur 2 Fluorine 3 Chlorine 4 Bromine
What is practical frequency. ? How create a frequency band?
When was the administration control of terls enstrusted to physcial research laboratory, ahmedabad?
What is the capacity of arihant’s atomic reactor?
Names of some plants and trees that sleep during the day
HELPS IN PROPAGATING RADIO SIGNALS
What is the Protoplasm ?
A man is travelling with the speed of 10m/min across the river to the opposite bank.The river water flows at the speed of 1m/s.Since the water flows at the speed higher than the boatsman, he would definitley reach the opposite river bank in a slant path.What is the length of the path he travelled?. The river is 10m wide. Please give me solution to tha above probelm. Thanks in advance
Which gas is used for preparation of soda water? 1 Ammonia 2 carbon dioxide 3 Hydrogen 4 Nitric oxide
Name any two modern branches of Physical Science
0 Answers Mahatma Gandhi University,
The gas that usually causes explosions in coal mines is 1 Hydrogen 2 Carbon monoxide 3 Air 4 Methane
Rusting of iron involves 1 Oxidation 2 Reduction 3 Displacement 4 Decomposition